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QuizTraffic rulesBrazil

This interesting quiz helps you test your knowledge in a clear and visual way. With easy multiple-choice questions, you can quickly build confidence and learn new facts while keeping it simple, interactive, and fun.

Traffic signs
Traffic rules
Brazil
True/false 17 Brazil 24 Car controls 109 Dashboard lights 40 Priority rules 9 Pedestrians 19 Cyclists 20 Show all 591
What should you check before connecting an electric vehicle to a charger?

51. What should you check before connecting an electric vehicle to a charger?

That the vehicle's headlights are switched on.
That the charger provides its maximum power.
That the vehicle doors remain unlocked.
✓ That the connector and charging equipment are suitable for the vehicle.

Charging connectors and charging capabilities can vary between vehicles and charging stations. Use compatible charging equipment that is suitable for the vehicle and follow the vehicle and charger manufacturer's instructions.

Matching an electric vehicle's connector to suitable charging equipment
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before reversing your vehicle?

52. What should you do before reversing your vehicle?

Check the mirrors and reverse if they appear clear.
Sound the horn before reversing and proceed.
✓ Check all around and make sure it is safe.
Check behind only after you start moving.

Before reversing, check all around the vehicle, including blind spots, for pedestrians, cyclists, vehicles, and other hazards. Reverse slowly and keep checking as you move.

Vehicle preparing to reverse from a driveway
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Should the legal alcohol limit be treated as a safe target?

53. Should the legal alcohol limit be treated as a safe target?

✓ No, impairment can begin before the legal limit is reached.
Yes, when driving only a short distance.
Yes, if you feel completely sober.
Yes, because impairment begins only above the limit.

A legal limit is an enforcement threshold, not a recommended drinking level. Even a small amount of alcohol can affect driving performance.

Alcohol consumption and the limits of safe driving
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

54. What does this dashboard symbol indicate?

✓ Rear fog lights.
Front fog lights.
Dipped headlights.
Main beam.

This symbol indicates that the rear fog lights are switched on. Rear fog lights make the vehicle more visible from behind in conditions of severely reduced visibility, but they can dazzle other road users when used unnecessarily.

Rear fog-light symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
It is safe to look at your phone briefly while driving.

55. It is safe to look at your phone briefly while driving.

✓ False.
True.

Using your phone while driving is distracting and dangerous, even for a very short moment.

Driver glancing at a phone while driving
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you not overtake near the top of a hill?

56. Why should you not overtake near the top of a hill?

Speed limits always decrease near hill crests.
Vehicles ahead always have priority on hills.
✓ You may not see oncoming traffic or hidden hazards.
Your engine loses power near the top of a hill.

Near the top of a hill, your view ahead is limited. Oncoming vehicles, cyclists, pedestrians, or obstacles may be hidden.

Hill crest hiding the road ahead
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid sudden steering movements on snow or ice?

57. Why should you avoid sudden steering movements on snow or ice?

✓ They can cause the tyres to lose grip and the vehicle to skid.
They increase fuel consumption.
They make the tyres wear more quickly.
They reduce the effectiveness of the headlights.

Abrupt steering can overwhelm the limited grip available on a slippery surface. Steering smoothly helps keep the vehicle stable.

Steering a vehicle on a snowy road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you look well ahead while driving?

58. Why should you look well ahead while driving?

✓ To identify developing hazards early and gain more time to react.
To avoid checking your mirrors as often.
To follow the vehicle ahead more closely.
To concentrate only on traffic in your lane.

Looking well ahead helps you identify developing hazards early, such as slowing traffic, pedestrians, junctions, or changing road conditions. Earlier detection gives you more time to assess the situation and respond smoothly and safely.

Driver observing the road and traffic ahead
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if you are approaching an animal-drawn vehicle?

59. What should you do if you are approaching an animal-drawn vehicle?

✓ Slow down and pass carefully with plenty of space.
Overtake quickly before the animal changes direction.
Flash your headlights to encourage it to move aside.
Sound your horn so the driver notices you.

Animals can be startled by noise or sudden movement. Reduce speed, keep distance, and pass only when it is safe.

Vehicle approaching an animal-drawn vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the purpose of the seat-belt retractor?

60. What is the purpose of the seat-belt retractor?

To release the seat belt from the buckle.
To adjust the seat height.
✓ To take up slack and lock the belt when necessary.
To tighten the parking brake.

The seat-belt retractor takes up slack and helps keep the belt properly positioned against the body. It allows normal movement but can lock during sudden braking, rapid belt movement or a collision.

Seat-belt webbing and retracting mechanism
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when a road worker directs traffic?

61. What should you do when a road worker directs traffic?

Obey only if traffic has completely stopped.
✓ Follow the worker's signals and instructions.
Follow the vehicle ahead instead of the worker's signal.
Follow the normal traffic signs instead.

Authorised road workers may control traffic through a work zone. Watch carefully and follow their directions.

Road worker directing traffic
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you check for motorcyclists before changing lanes?

62. Why should you check for motorcyclists before changing lanes?

Motorcyclists are required to stay beside the kerb.
Motorcycles always travel faster than other traffic.
✓ Motorcycles can be harder to see and may be in your blind spot.
Motorcyclists must stop when a car changes lanes.

Motorcyclists are smaller and can be hidden in blind spots. Check mirrors, signal, and look carefully before changing lanes.

Motorcycle near a vehicle preparing to change lanes
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before driving away after charging an electric vehicle?

63. What should you do before driving away after charging an electric vehicle?

✓ Disconnect the charging cable and secure it properly.
Leave the cable connected until the vehicle starts moving.
Place the cable loosely beside the charging bay.
Drive forward slowly to disconnect the plug.

Before driving away, disconnect the charging cable correctly and return it to the charger or store it securely in the vehicle, as appropriate. Close the charging port and check that the area around the vehicle is clear.

Disconnecting an electric vehicle after charging
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

64. What does this vehicle-control symbol indicate?

Power-steering control.
Cruise control.
✓ Steering-wheel adjustment.
Seat adjustment.

This control adjusts the position of the steering wheel. Depending on the vehicle, the steering wheel may be moved up or down and forwards or backwards to obtain a safe and comfortable driving position.

Control for adjusting the steering-wheel position
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you leave extra space when passing cyclists in strong winds?

65. Why should you leave extra space when passing cyclists in strong winds?

✓ They may be blown sideways unexpectedly.
Cyclists always ride more slowly in strong winds.
Cyclists must stop when a vehicle passes them.
Strong wind makes bicycle brakes less effective.

Strong gusts can affect cyclists' balance and direction. Extra passing space reduces the risk of a collision.

Vehicle passing a cyclist in windy conditions
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if visibility is reduced by fog?

66. What should you do if visibility is reduced by fog?

Use main beam to see further through the fog.
Follow the vehicle ahead closely as a guide.
✓ Slow down and use the correct lights.
Maintain normal speed if the road markings are visible.

Fog makes it harder to see and be seen. Reduce speed, increase following distance, and use the correct lights.

Fog reducing visibility on a road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How can higher speed affect fuel or energy consumption?

67. How can higher speed affect fuel or energy consumption?

✓ It can increase consumption because air resistance rises.
It reduces aerodynamic resistance.
It improves tyre efficiency in every situation.
It always reduces consumption.

As speed increases, aerodynamic resistance generally rises, so the vehicle needs more energy to maintain that speed. Driving smoothly at an appropriate speed can therefore reduce fuel or energy consumption.

Vehicle speed and aerodynamic resistance
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the pedestrian light is red?

68. What should you do if the pedestrian light is red?

✓ Wait until it turns green.
Start crossing if the signal is about to change.
Cross if there is a large enough gap in traffic.
Cross if nearby vehicles appear to have stopped.

A red pedestrian signal means you should wait before crossing.

Red pedestrian signal at a crossing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before driving through a puddle?

69. What should you do before driving through a puddle?

Follow another vehicle closely to judge the depth.
Brake firmly while driving through the water.
Maintain your normal speed if the road looks clear.
✓ Slow down and check that it is safe.

Large puddles can hide holes, reduce grip, or cause water to splash onto pedestrians or other vehicles. Slow down and proceed carefully.

Vehicle approaching a puddle on the road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the general minimum legal tread depth for car tyres in Brazil?

70. What is the general minimum legal tread depth for car tyres in Brazil?

1.0 mm.
2.0 mm.
✓ 1.6 mm.
1.5 mm.

The general minimum legal tread depth for car tyres in Brazil is 1.6 mm. Higher minimums may apply to winter tyres, during winter periods or in winter conditions.

Measuring tread depth on a vehicle tyre
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before using a pedestrian crossing?

71. What should you do before using a pedestrian crossing?

✓ Make sure it is safe to cross.
Cross once a driver makes eye contact with you.
Check only the lane nearest to you before crossing.
Cross as soon as the nearest vehicle starts slowing down.

Even at a pedestrian crossing, make sure approaching drivers have seen you and are able to stop before you cross.

Pedestrian checking traffic before using a crossing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid removing the coolant cap while the engine is hot?

72. Why should you avoid removing the coolant cap while the engine is hot?

Opening it can reduce the engine oil pressure.
The coolant level may become harder to read.
✓ Pressurised hot coolant may escape and cause serious burns.
The thermostat may become damaged.

A hot cooling system may remain under pressure. Allow the engine to cool and follow the manufacturer's instructions before checking or adding coolant.

Coolant cap and the risk of hot pressurised coolant
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

73. What does this dashboard symbol indicate?

Power-steering warning.
✓ Low tyre pressure.
Brake-system warning.
Electronic stability control.

This symbol indicates that one or more tyres may have low pressure. Check the tyre pressures and inspect the tyres for damage or a puncture.

Tyre-pressure warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do at a railway crossing when the barriers are closing?

74. What should you do at a railway crossing when the barriers are closing?

Follow the vehicle ahead across the tracks.
Cross quickly if you cannot see a train.
Stop only when the barriers are fully lowered.
✓ Stop and wait until the barriers are completely open.

Never enter a railway crossing when barriers are closing or warning signals are active. Stop and wait until it is safe.

Barriers closing at a railway crossing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How does higher speed affect a vehicle's stopping distance?

75. How does higher speed affect a vehicle's stopping distance?

It affects reaction distance but not braking distance.
It decreases the distance needed to stop.
✓ It increases the distance needed to stop.
It has no effect if the brakes are in good condition.

As speed increases, the vehicle travels farther while the driver reacts and requires more distance to brake. This means the total stopping distance increases significantly as speed rises.

Vehicle speed and the distance needed to stop
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when reversing with a trailer?

76. What should you do when reversing with a trailer?

Reverse quickly to keep the trailer straight.
✓ Reverse slowly and make small steering corrections.
Ask a guide to stand directly behind the trailer.
Watch only the trailer and ignore surrounding traffic.

Trailers react quickly to steering while reversing. Move slowly, observe carefully, and use a guide only from a safe visible position.

Vehicle reversing with a trailer
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid parking a petrol or diesel vehicle on dry grass?

77. Why should you avoid parking a petrol or diesel vehicle on dry grass?

The grass could prevent the parking brake from holding.
The grass could block the vehicle's ventilation system.
✓ Hot exhaust components could ignite the vegetation.
The tyres could lose pressure more quickly.

Parts of the exhaust system, especially the catalytic converter, can become very hot while driving. Parking over dry grass, leaves, or other combustible vegetation can create a fire risk. Park on a suitable non-flammable surface whenever possible.

Vehicle exhaust close to dry grass
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
When should you select P (Park) in an automatic vehicle?

78. When should you select P (Park) in an automatic vehicle?

While the vehicle is still moving slowly.
Before braking to a stop.
✓ After the vehicle has come to a complete stop.
Whenever you want to reduce speed.

Select P (Park) only after the vehicle has come to a complete stop. Selecting Park while the vehicle is moving can damage the transmission.

Selecting Park after an automatic vehicle stops
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which colour combination is commonly used for warning signs in Brazil?

79. Which colour combination is commonly used for warning signs in Brazil?

✓ Black border with yellow background.
Red border with white background.
Blue border with white background.
Red border with yellow background.

Most warning signs in Brazil have a black border with a yellow background.

Colour combinations used for road warning signs
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should cyclists ride when travelling in a group?

80. How should cyclists ride when travelling in a group?

Keep the same speed even when gaps become unsafe.
Follow the cyclist ahead without checking traffic yourself.
Ride side by side even when traffic cannot pass safely.
✓ Predictably, with safe gaps and clear communication.

Safe spacing and communication help group members respond to braking, turns, obstacles, and changing traffic conditions.

Group of cyclists riding along a road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

81. What does this vehicle-control symbol indicate?

✓ Fuel-filler flap release.
Boot release.
Bonnet release.
Central door locking.

This control releases the fuel-filler flap, allowing access to the vehicle's fuel filler.

Release control for the fuel-filler flap
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before turning across a cycle lane?

82. What should you do before turning across a cycle lane?

Ignore the cycle lane if you are signalling.
Enter the cycle lane without checking behind.
✓ Check mirrors and blind spots carefully for cyclists.
Turn quickly before cyclists reach the junction.

Cyclists may be beside or behind you when you turn. Check mirrors and blind spots, signal clearly, and turn only when it is safe.

Vehicle preparing to turn across a cycle lane
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

83. What does this dashboard symbol indicate?

Charging-system warning.
Engine-management warning.
Low washer fluid.
✓ Engine-temperature warning.

This symbol indicates that the engine coolant temperature is too high. If it illuminates while driving, stop safely and allow the engine to cool before investigating the cause.

Engine-temperature warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why can mixing alcohol with medicine be dangerous for drivers?

84. Why can mixing alcohol with medicine be dangerous for drivers?

Medicine prevents alcohol from causing drowsiness.
The combination is safe if taken with food.
Alcohol leaves the body faster when taking medicine.
✓ The combination may increase drowsiness or impairment.

Some prescription and non-prescription medicines can intensify alcohol-related drowsiness, dizziness, poor coordination, or reduced concentration.

Alcohol and medicine as a driving-impairment risk
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How can air conditioning help demist the windows?

85. How can air conditioning help demist the windows?

By heating the rear window directly.
By opening the windows automatically.
✓ By removing moisture from the air.
By increasing air recirculation.

Using the air conditioning can help demist the windows because it removes moisture from the cabin air. Directing this drier air towards the windscreen can clear condensation more quickly.

Air-conditioning controls used to demist the windscreen
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
It is safer to drive faster than the speed limit when overtaking.

86. It is safer to drive faster than the speed limit when overtaking.

True.
✓ False.

You must still drive safely and obey traffic laws. Speeding increases risk and is not automatically justified by overtaking.

Vehicle overtaking another road user
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

87. What does this vehicle-control symbol indicate?

Front windscreen demister.
Rear window demister.
Fan speed.
✓ Air conditioning.

The A/C symbol controls the vehicle's air-conditioning system. Air conditioning can cool and dehumidify the air inside the vehicle, which can also help clear mist from the windows.

Air-conditioning control with the A/C symbol
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which selector position is used to drive the vehicle backwards?

88. Which selector position is used to drive the vehicle backwards?

D (Drive).
N (Neutral).
✓ R (Reverse).
P (Park).

Select R (Reverse) when you need to drive the vehicle backwards. The vehicle should be stationary before selecting Reverse.

Automatic gear selector with P, R, N and D positions
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before driving after taking medicine?

89. What should you do before driving after taking medicine?

Take an extra dose before a long journey.
Drive slowly until you know how it affects you.
Drink coffee to prevent any side effects.
✓ Check whether it may affect your ability to drive.

Some medicines can affect driving ability by causing drowsiness, dizziness, blurred vision, slower reactions, or reduced concentration. Check the label or patient information and follow advice from your doctor or pharmacist before driving.

Checking medicine warnings before driving
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why can headphones or very loud music be dangerous while driving?

90. Why can headphones or very loud music be dangerous while driving?

They can prevent the horn from working properly.
They can make the mirrors more difficult to adjust.
They can cause the speed limiter to switch off.
✓ They can make important warning sounds harder to hear.

Headphones or very loud music can reduce your awareness of horns, sirens, warning sounds, and surrounding traffic. Keep the volume at a level that allows you to remain aware of what is happening around the vehicle.

Driver wearing headphones at the wheel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

91. What does this dashboard symbol indicate?

✓ Risk of icy road conditions.
Winter tyres are fitted.
Engine coolant is too cold.
Air conditioning is active.

This symbol warns that the outside temperature is low enough for ice to form. Road surfaces, especially bridges and shaded areas, may be slippery even when they appear clear.

Icy-road warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you leave extra space behind a motorcycle?

92. Why should you leave extra space behind a motorcycle?

Motorcycles always travel more slowly than cars.
✓ Motorcycles can slow down quickly and are more vulnerable.
Following closely makes it easier to overtake safely.
Motorcyclists cannot see vehicles directly behind them.

Motorcyclists are more exposed than car drivers. Extra following distance gives you more time to react safely.

Following distance behind a motorcycle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you slow down near schools or playgrounds?

93. Why should you slow down near schools or playgrounds?

✓ Children may behave unpredictably.
Children always have priority near schools.
School zones are closed to normal traffic.
Vehicles must stop whenever children are nearby.

Children may suddenly cross the road or move unexpectedly, so drivers should slow down and stay alert near schools and playgrounds.

Vehicle approaching a school or playground area
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why can bridges be dangerous in strong winds?

94. Why can bridges be dangerous in strong winds?

✓ They are often exposed to stronger gusts.
Vehicles require more engine power on bridges.
Vehicles automatically accelerate on bridges.
Steering works less effectively above water.

Bridges are often open and exposed, allowing strong winds to affect vehicles more suddenly.

Exposed bridge in strong wind
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when a traffic light turns red?

95. What should you do when a traffic light turns red?

Stop only if other traffic is approaching.
✓ Stop and wait until you may proceed.
Continue if the junction appears clear.
Cross the stop line before stopping.

A red traffic light means you must stop before the stop line, pedestrian crossing, or intersection unless a sign or signal indicates otherwise.

Red traffic light at a junction
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You may drive through an amber light without slowing down.

96. You may drive through an amber light without slowing down.

True.
✓ False.

An amber light means you should stop if you can do so safely. If you are too close to stop safely, continue through the junction with caution.

Vehicle approaching an amber traffic light
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do with a child restraint after a collision?

97. What should you do with a child restraint after a collision?

Keep using it if no damage is visible.
Use it normally after tightening the straps.
✓ Follow the manufacturer's instructions about inspection or replacement.
Repair damaged parts yourself.

A child restraint may be damaged in a collision even when the damage is not obvious. Follow the manufacturer's instructions, as the restraint may need to be inspected or replaced before it is used again.

Child car seat requiring inspection after a collision
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

98. What does this vehicle-control symbol indicate?

✓ Windscreen washer.
Front windscreen demister.
Windscreen wiper speed.
Air recirculation.

This symbol indicates the windscreen washer. Operating the control sprays washer fluid onto the windscreen and normally activates the wipers to help clean the glass.

Windscreen-washer control and spray symbol
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should you pass a large vehicle in strong winds?

99. How should you pass a large vehicle in strong winds?

Keep the steering fixed while you move past it.
✓ Be prepared for sudden wind changes when passing.
Stay close beside it to remain sheltered from the wind.
Use the horn before moving alongside the vehicle.

Large vehicles can block wind and then expose you to strong gusts when you pass them.

Vehicle passing a large vehicle in windy conditions
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you consider before selecting a lower gear in a manual vehicle?

100. What should you consider before selecting a lower gear in a manual vehicle?

✓ Whether the vehicle's speed is suitable for the lower gear.
Whether the parking brake is applied.
Whether the headlights are switched on.
Whether the steering wheel is centred.

Before selecting a lower gear, make sure the vehicle's speed is suitable for that gear. Selecting too low a gear at excessive speed can cause harsh engine braking and place unnecessary stress on the drivetrain.

Selecting a lower gear in a manual vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA